From: Sean Wang <sean.wang@xxxxxxxxxxxx>
Add mt7921 as the pci driver module.
The purpose of the patch is to check about if the following patches are
able to compile properly.
Co-developed-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
Co-developed-by: Soul Huang <Soul.Huang@xxxxxxxxxxxx>
Signed-off-by: Soul Huang <Soul.Huang@xxxxxxxxxxxx>
Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/Kconfig | 1 +
drivers/net/wireless/mediatek/mt76/Makefile | 1 +
.../net/wireless/mediatek/mt76/mt7921/Kconfig | 10 +++
.../wireless/mediatek/mt76/mt7921/Makefile | 5 ++
.../net/wireless/mediatek/mt76/mt7921/pci.c | 63 +++++++++++++++++++
5 files changed, 80 insertions(+)
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/Makefile
create mode 100644 drivers/net/wireless/mediatek/mt76/mt7921/pci.c
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig
index 31015d2a8e7d..5f42ce3267cb 100644
--- a/drivers/net/wireless/mediatek/mt76/Kconfig
+++ b/drivers/net/wireless/mediatek/mt76/Kconfig
@@ -29,3 +29,4 @@ source "drivers/net/wireless/mediatek/mt76/mt76x2/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7603/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7615/Kconfig"
source "drivers/net/wireless/mediatek/mt76/mt7915/Kconfig"
+source "drivers/net/wireless/mediatek/mt76/mt7921/Kconfig"
diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile
index e53584db0756..1d72093b61a3 100644
--- a/drivers/net/wireless/mediatek/mt76/Makefile
+++ b/drivers/net/wireless/mediatek/mt76/Makefile
@@ -31,3 +31,4 @@ obj-$(CONFIG_MT76x2_COMMON) += mt76x2/
obj-$(CONFIG_MT7603E) += mt7603/
obj-$(CONFIG_MT7615_COMMON) += mt7615/
obj-$(CONFIG_MT7915E) += mt7915/
+obj-$(CONFIG_MT7921E) += mt7921/
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
new file mode 100644
index 000000000000..24932d2e8dee
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Kconfig
@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: ISC
+config MT7921E
+ tristate "MediaTek MT7921E (PCIe) support"
+ select MT76_CORE
+ depends on MAC80211
+ depends on PCI
+ help
+ This adds support for MT7921E 802.11ax 2x2:2SS wireless devices.
+
+ To compile this driver as a module, choose M here.
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/Makefile b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
new file mode 100644
index 000000000000..fa7b42721631
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/Makefile
@@ -0,0 +1,5 @@
+#SPDX-License-Identifier: ISC
+
+obj-$(CONFIG_MT7921E) += mt7921e.o
+
+mt7921e-y := pci.o
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
new file mode 100644
index 000000000000..9f003775c4d8
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: ISC
+/* Copyright (C) 2020 MediaTek Inc.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+static const struct pci_device_id mt7921_pci_device_table[] = {
+ { PCI_DEVICE(0x14c3, 0x7961) },
+ { },
+};
+
+static int mt7921_pci_probe(struct pci_dev *pdev,
+ const struct pci_device_id *id)
+{
+ int ret;
+
+ ret = pcim_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev));
+ if (ret)
+ return ret;
+
+ pci_set_master(pdev);
+
+ ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY);
+ if (ret < 0)
+ return ret;
+
+ ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (ret)
+ goto err_free_pci_vec;
+
+ return 0;
+
+err_free_pci_vec:
+ pci_free_irq_vectors(pdev);
+
+ return ret;
+}
+
+static void mt7921_pci_remove(struct pci_dev *pdev)
+{
+ pci_free_irq_vectors(pdev);
+}
+
+struct pci_driver mt7921_pci_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = mt7921_pci_device_table,
+ .probe = mt7921_pci_probe,
+ .remove = mt7921_pci_remove,
+};
+
+module_pci_driver(mt7921_pci_driver);
+
+MODULE_DEVICE_TABLE(pci, mt7921_pci_device_table);
+MODULE_AUTHOR("Sean Wang <sean.wang@xxxxxxxxxxxx>");
+MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@xxxxxxxxxx>");
+MODULE_LICENSE("Dual BSD/GPL");
--
2.25.1
